Home / 13,283.52-18,331.11-7,315.07

Finding the Fourth Proportional to 13,283.52, 18,331.11 and 7,315.07

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Solution

The fourth proportional to 13,283.52, 18,331.11 and 7,315.07 is: 10,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.52 : 18,331.11 = 7,315.07 : x
  2. Step 2: Convert to fraction form
    13,283.52/18,331.11 = 7,315.07/x
  3. Step 3: Cross multiply
    13,283.52x = 18,331.11 × 7,315.07
  4. Step 4: Simplify right side
    13,283.52x = 134,093,261.17
  5. Step 5: Solve for x
    x = 134,093,261.17/13,283.52
  6. Step 6: Final answer
    x = 10,094.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.